linux-kernel - Re: [PATCH v1] ARM: dts: omap3-n900: Specify peripherals LDO regulators initial mode

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Date:	Sun, 24 Apr 2016 12:08:30 +0200
From:	Pavel Machek <pavel@....cz>
To:	Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>
Cc:	tony@...mide.com, bcousson@...libre.com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	linux@....linux.org.uk, linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, sre@...nel.org
Subject: Re: [PATCH v1] ARM: dts: omap3-n900: Specify peripherals LDO
 regulators initial mode

On Sun 2016-04-17 17:29:23, Ivaylo Dimitrov wrote:
> Without that, regulators are left in the mode last set by the bootloader or
> by the kernel the device was rebooted from. This leads to various problems,
> like non-working peripherals.
> 
> Signed-off-by: Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>

Reviewed-by: Pavel Machek <pavel@....cz>

> --- a/arch/arm/boot/dts/omap3-n900.dts
> +++ b/arch/arm/boot/dts/omap3-n900.dts
> @@ -329,6 +329,7 @@
>  	regulator-name = "V28";
>  	regulator-min-microvolt = <2800000>;
>  	regulator-max-microvolt = <2800000>;
> +	regulator-initial-mode = <0x0e>; /* RES_STATE_ACTIVE */
>  	regulator-always-on; /* due to battery cover sensor */
>  };
>  

-- 
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